Lexical Definition

‎δακρύω‎ dakrýō (dak-roo'-o) to weep ^G:V
from ‎δάκρυ‎

weep.

• to shed tears

Abbott-Smith

δακρύω [in LXX for בָּכָה, etc. ;]
to weep, shed tears: Jo 11:35.†
SYN.: κλαίω, of audible weeping, to cry; ὀδύρομαι, of grief expressed verbally, to lament; θρηνέω, of formal lamentation, to sing a dirge; ἀλαλάζω, to wail in Oriental fashion; στενάζω, of grief expressed by inarticulate sounds, to groan.

Abbott-Smith References

Liddell-Scott-Jones

δακρύω,

first in [Refs 4th c.BC+]: future -ύσω[Refs 5th c.BC+], later -ύσομαι [Refs 3rd c.AD+]: aorist ἐδάκρῡσα [Refs 5th c.BC+], Epic dialect δάκρῡσα [Refs 8th c.BC+]: perfect δεδάκρῡκα [Refs 4th c.AD+]:—middle, δακρύεσθαι [Refs 4th c.BC+]: aorist δακρύσατο [Refs 3rd c.AD+]:—passive, present, [Refs 5th c.BC+]: perfect δεδάκρῡμαι [Refs 8th c.BC+]: [υ long in all tenses, except in late Poets, as [Refs]

__I intransitive, weep, shed tears, [Refs 8th c.BC+] to lament with tears, [Refs 5th c.BC+]; δ. βλέφαρα to flood them with tears, [Refs 5th c.BC+] — passive, perfect δεδάκρυμαι to be in tears, τίπτε δεδάκρυσαι, Πατρόκλεε; [Refs 8th c.BC+]in tears, [Refs 5th c.BC+]
__I.2 of the eyes, run, [Refs 4th c.BC+]
__I.3 of trees, exude gum, [Refs 4th c.BC+]
__II with accusative, weep for, τινά [Refs 5th c.BC+]:—passive, to be wept for, συμφορὰ δακρύεται [Refs 5th c.BC+] (probably middle in [Refs 4th c.BC+]